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Selected:ARID (Active Reviews for Intermediate Designs)Six Thinking HatsMVP Test MatrixRiskiest Assumption Test
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Facilitation Six Thinking Hats |  Product Discovery MVP Test Matrix |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | When a topic gets stuck too quickly in the same thinking mode, Six Thinking Hats deliberately separates the perspectives. This means facts, risks, creativity, and emotional signals get worked through one after another instead of mixed together. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 45-90 min | 45-75 min | 1-2 Wochen pro Iteration |
Participantsdifferent | Designers, developers as users, and facilitation | 4-12 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Perspective Notes, Decision Inputs, Action Items | Test Matrix, Test Plan | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | FacilitationOptionsDecision | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryAssumptions |